Average annual temperature is 9.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -21.7 °C
Number of sunny days: 247 days
Number of rainy days: 106 days
Number of snow days: 12 days
Look at detailed online map of Hekou
* Weather data for Hekou China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.1 | 10.4 | 22.3 | 28.9 | 30.4 | 33.3 | 34.8 | 31.1 | 26.8 | 21.4 | 22.6 | 14.2 |
| Average daytime temperature (°C) | 1.7 | 4.9 | 13.8 | 14.8 | 21.6 | 28.4 | 29.0 | 26.3 | 22.2 | 17.8 | 8.0 | 0.1 |
| Average temperature (°C) | -4.3 | -1.1 | 6.7 | 9.2 | 16.1 | 22.3 | 23.6 | 21.3 | 16.9 | 11.4 | 1.8 | -5.8 |
| Average night temperature (°C) | -9.7 | -5.2 | 0.7 | 4.2 | 11.3 | 16.3 | 18.3 | 17.0 | 12.3 | 6.1 | -2.8 | -10.3 |
| Absolute minimum temperature (°C) | -21.4 | -8.5 | -5.9 | -1.0 | 4.6 | 11.9 | 15.9 | 11.1 | 6.5 | 0.4 | -8.6 | -21.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 7.9 | 9.9 | 7.8 | 7.7 | 12.0 | 10.1 | 9.5 | 7.9 | 8.5 | 7.8 | 7.5 |
| Precipitation (mm) | 8 | 18 | 10 | 96 | 52 | 39 | 170 | 120 | 52 | 9 | 14 | 18 |
| Sunny days | 27 | 21 | 25 | 18 | 16 | 23 | 17 | 11 | 11 | 26 | 25 | 27 |
| Rainy days | 0 | 1 | 6 | 12 | 15 | 7 | 14 | 20 | 19 | 5 | 3 | 4 |
| Snow days | 4 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Hekou during the most sunny months:
The largest precipitation sum in Hekou is at